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Unpack data in LittleEndian format #4

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Unpack data in LittleEndian format #4

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10 changes: 5 additions & 5 deletions lib/NetPacket/USBMon.pm
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Expand Up @@ -59,14 +59,14 @@ sub decode
my($id, $type, $xfer_type, $epnum, $devnum, $busnum, $flag_setup,
$flag_data, $ts_sec, $ts_usec, $status, $length, $len_cap,
$s, $interval, $start_frame, $xfer_flags, $ndesc, $rest) =
unpack('a8CCCCSCCa8liIIa8llLLa*', $packet);
unpack('a8CCCCS<CCa8l<i<I<I<a8l<l<L<L<a*', $packet);

# Try to grok quads. We may loose some address information with 32-bit
# Perl parsing 64-bit captures, or timestamp after 2038. Still the best
# we can do.
eval {
$id = unpack ('Q', $id);
$ts_sec = unpack ('Q', $ts_sec);
$id = unpack ('Q<', $id);
$ts_sec = unpack ('Q<', $ts_sec);
};
if ($@) {
($id) = unpack ('LL', $id);
Expand Down Expand Up @@ -109,7 +109,7 @@ sub decode

if ($setup->{bmRequestType} & USB_TYPE_VENDOR) {
($setup->{wValue}, $setup->{wIndex},
$setup->{wLength}) = unpack('S3', $rest);
$setup->{wLength}) = unpack('S<3', $rest);
} else {
# Unknown setup request;
$setup->{data} = $rest;
Expand All @@ -121,7 +121,7 @@ sub decode
# Isochronous descriptors
if ($self->{xfer_type} == USB_XFER_TYPE_ISO) {
my $iso = {};
($iso->{error_count}, $iso->{numdesc}) = unpack('ii', $s);
($iso->{error_count}, $iso->{numdesc}) = unpack('i<i<', $s);
$self->{iso} = $iso;
}

Expand Down